Base | Representation |
---|---|
bin | 111011110011010… |
… | …1101011011000111 |
3 | 12011211211200102102 |
4 | 1313212231123013 |
5 | 13102144324411 |
6 | 531041102315 |
7 | 100504061255 |
oct | 16746553307 |
9 | 5154750372 |
10 | 2006636231 |
11 | 93a76a556 |
12 | 48002799b |
13 | 25c95bb22 |
14 | 1507055d5 |
15 | bb273d3b |
hex | 779ad6c7 |
2006636231 has 12 divisors (see below), whose sum is σ = 2076363000. Its totient is φ = 1939183920.
The previous prime is 2006636221. The next prime is 2006636243. The reversal of 2006636231 is 1326366002.
It is not a de Polignac number, because 2006636231 - 26 = 2006636167 is a prime.
It is a super-2 number, since 2×20066362312 = 8053177927123770722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2006636194 and 2006636203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2006636221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1180220 + ... + 1181918.
It is an arithmetic number, because the mean of its divisors is an integer number (173030250).
Almost surely, 22006636231 is an apocalyptic number.
2006636231 is a deficient number, since it is larger than the sum of its proper divisors (69726769).
2006636231 is a wasteful number, since it uses less digits than its factorization.
2006636231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2990 (or 2959 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 29.
The square root of 2006636231 is about 44795.4934228880. The cubic root of 2006636231 is about 1261.3130326299.
The spelling of 2006636231 in words is "two billion, six million, six hundred thirty-six thousand, two hundred thirty-one".
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